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List of Scientific Instrument
| Sl. No. | Description | Instrument Name |
|---|---|---|
| 41. | A device used to measure atmospheric pressure | Manometer |
| 42. | A device which converts sound waves into electrical signals. | Microphone |
| 43. | An instrument attached to the wheel of a vehicle, to measure the distance traversed. | Odometer |
| 44. | An instrument used for reproducing sound. | Phonograph |
| 45. | An instrument used for measuring Solar radiation is called? | Pyrheliometer |
| 46. | An instrument used for taking angular measurements of altitude in astronomy and navigation is called? | Quadrant |
| 47. | An instrument for measuring a Refractive Index of a substance is called? | Refractometer |
| 48. | An instrument used for Spectrum analysis is called? | Spectroscope |
| 49. | An instrument for measuring blood pressure is called? | Sphygmomanometer |
| 50. | An instrument for measuring and indicating temperature is called? | Thermometer |
| 51. | A medical instrument used for hearing and analysing the sound of Heart is called? | Stethoscope |
| 52. | An apparatus for recording the readings of an instrument and transmitting them by radio is called? | Telemeter |
| 53. | An instrument used for magnified view of distant objects is called? | Telescope |
| 54. | A device that automatically regulates constant temperatures is called? | Thermostat |
| 55. | An instrument used for measuring Viscosity is called? | Viscometer |
| 56. | A small scale calibrated to indicate fractional divisions of the main scale is called? | Vernier Scale |
| 57. | An instrument for testing the refractive power of the eye is called? | Optometer |
| 58. | An instrument designed for visual examination of the eardrum is called? | Otoscope |
| 59. | A device that measures low temperature is called? | Cryometer |
| 60. | An instrument used in an aircraft indicating airspeed is called? | Machmeter |